Harlen is a distinctive boys' name in United States, ranking #4533 in 2005 with 19 recorded births. The name reached its all-time peak in 2023 with 64 births ranking #2229. Since 1996, the popularity has increased by 137.5%. In 2005, approximately 1 in every 105,113 boys born was named Harlen. STABLE Recent data shows the name is currently stable.